1. Department of Neurology, St Josef Hospital, Ruhr-University Bochum, Bochum, Germany
2. Department of Neurology, St Josef Hospital, Ruhr-University Bochum, Bochum, Germany2Institute of Clinical Pharmacy and Pharmacotherapy, Heinrich Heine University, Duesseldorf, Germany
3. NeuroCure Clinical Research Center, University Clinic Berlin, Berlin, Germany4Clinical and Experimental Multiple Sclerosis Research Center, Department of Neurology, Charité Universitätsmedizin Berlin, Berlin, Germany
4. private neurologic practice, Hamburg, Germany
5. private neurologic practice, Barsinghausen, Germany
6. Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena